import axios from 'axios';
import { Message, Modal } from 'ant-design-vue';
import store from '@/store';
import storage from 'store';
import { VueAxios } from './axios';
import { ACCESS_TOKEN } from '@/store/mutation-types';

// create an axios instance
const service = axios.create({
  baseURL: process.env.VUE_APP_API_BASE_URL, // url = base url + request url
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 5000 // request timeout
});

// request interceptor
service.interceptors.request.use(
  config => {
    // do something before request is sent
    const token = storage.get(ACCESS_TOKEN);
    if (token) {
      // let each request carry token
      // ['X-Token'] is a custom headers key
      // please modify it according to the actual situation
      config.headers['X-Token'] = token;
    }
    return config;
  },
  error => {
    // do something with request error
    console.log(error); // for debug
    return Promise.reject(error);
  }
);

// response interceptor
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
  */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  response => {
    const res = response.data;

    // if the custom code is not 200, it is judged as an error.
    if (![0, 200].includes(res.code)) {
      Message.error({
        content: res.message || 'Request Error',
        duration: 5
      });

      // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
      if (res.code === 50008 || res.code === 50012 || res.code === 50014) {
        // to re-login
        Modal.confirm({
          title: 'Confirm logout',
          content: 'You have been logged out, you can cancel to stay on this page, or log in again',
          okText: 'Re-Login',
          cancelText: 'Cancel',
          type: 'warning',
          onOk() {
            store.dispatch('user/resetToken').then(() => {
              location.reload();
            });
          }
        });
      }
      return Promise.reject(new Error(res.message || 'Error'));
    } else {
      return res;
    }
  },
  error => {
    console.log('err' + error); // for debug
    Message.error({
      content: error.message,
      duration: 5
    });
    return Promise.reject(error);
  }
);

const installer = {
  vm: {},
  install(Vue) {
    Vue.use(VueAxios, service);
  }
};

export default service;

export {
  installer as VueAxios,
  service as axios
};
